CN204311969U - 一种防卡钻潜孔冲击器 - Google Patents
一种防卡钻潜孔冲击器 Download PDFInfo
- Publication number
- CN204311969U CN204311969U CN201420684612.2U CN201420684612U CN204311969U CN 204311969 U CN204311969 U CN 204311969U CN 201420684612 U CN201420684612 U CN 201420684612U CN 204311969 U CN204311969 U CN 204311969U
- Authority
- CN
- China
- Prior art keywords
- preventing sticking
- connecting portion
- rear joint
- plane
- tapered connecting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000428 dust Substances 0.000 claims abstract description 11
- 230000000694 effects Effects 0.000 abstract description 9
- 230000008014 freezing Effects 0.000 abstract description 7
- 238000007710 freezing Methods 0.000 abstract description 7
- 238000005520 cutting process Methods 0.000 abstract description 4
- 230000007423 decrease Effects 0.000 abstract description 4
- 238000005457 optimization Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420684612.2U CN204311969U (zh) | 2014-11-17 | 2014-11-17 | 一种防卡钻潜孔冲击器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420684612.2U CN204311969U (zh) | 2014-11-17 | 2014-11-17 | 一种防卡钻潜孔冲击器 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN204311969U true CN204311969U (zh) | 2015-05-06 |
Family
ID=53134291
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201420684612.2U Active CN204311969U (zh) | 2014-11-17 | 2014-11-17 | 一种防卡钻潜孔冲击器 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN204311969U (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105804657A (zh) * | 2016-05-16 | 2016-07-27 | 山东天瑞重工有限公司 | 一种有密封结构的高风压潜孔钻头 |
-
2014
- 2014-11-17 CN CN201420684612.2U patent/CN204311969U/zh active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105804657A (zh) * | 2016-05-16 | 2016-07-27 | 山东天瑞重工有限公司 | 一种有密封结构的高风压潜孔钻头 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2018223421A1 (zh) | 一种气动自进式超高压脉冲射流辅助冲击破岩设备 | |
CN204609832U (zh) | 一种煤矿瓦斯带压快速注浆封孔器 | |
CN202117705U (zh) | 一种高低压转换水割器 | |
CN203584298U (zh) | 用于软煤岩钻进双通道多孔紊流卸压钻具 | |
CN202227987U (zh) | 一种自切换水射流割缝组合式钻头 | |
CN108798540B (zh) | 螺旋凸筋削孔卸压内排渣钻杆 | |
CN203499569U (zh) | 水压控钻冲割一体高效钻头 | |
CN204311969U (zh) | 一种防卡钻潜孔冲击器 | |
CN201794527U (zh) | 套管漂浮接箍 | |
CN203383743U (zh) | 一种煤矿用单向止回钻杆 | |
CN203321393U (zh) | 中软岩芯提取器 | |
CN204960850U (zh) | 连续油管钻磨用平底磨鞋 | |
CN204827294U (zh) | 一种煤矿冲孔用防喷装置的孔口固定结构 | |
CN210768715U (zh) | 一种用于提高钻孔瓦斯抽采效果的悬挂装置 | |
CN201991503U (zh) | 喷嘴内装式水力喷射器 | |
CN204492646U (zh) | 钻碎一体化水力冲刷内排式坑道钻具 | |
CN203081286U (zh) | 防塌孔钻具 | |
CN201771427U (zh) | “三软”煤层消突旋切钻进装置 | |
CN203374202U (zh) | 一种高压水下潜孔冲击器 | |
CN203239285U (zh) | 一种安全阀 | |
CN201661242U (zh) | 一种大孔径石油钻采冲击器 | |
CN204877304U (zh) | 一次性钻头及接头 | |
CN204419043U (zh) | 柔性自减震钻头 | |
CN206280023U (zh) | 一种坑道绳索取芯钻具的防涌水装置 | |
CN205956110U (zh) | 一种新型液压破碎锤中缸体 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Anti-sticking down-hole hammer Effective date of registration: 20170719 Granted publication date: 20150506 Pledgee: Weifang rural commercial bank, Limited by Share Ltd hi tech sub branch Pledgor: SHANDONG TIANRUI HEAVY INDUSTRY CO., LTD. Registration number: 2017990000360 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20180704 Granted publication date: 20150506 Pledgee: Weifang rural commercial bank, Limited by Share Ltd hi tech sub branch Pledgor: SHANDONG TIANRUI HEAVY INDUSTRY CO., LTD. Registration number: 2017990000360 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Anti-sticking down-hole hammer Effective date of registration: 20180709 Granted publication date: 20150506 Pledgee: Weifang rural commercial bank, Limited by Share Ltd hi tech sub branch Pledgor: SHANDONG TIANRUI HEAVY INDUSTRY CO., LTD. Registration number: 2018370010067 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190702 Granted publication date: 20150506 Pledgee: Weifang rural commercial bank, Limited by Share Ltd hi tech sub branch Pledgor: SHANDONG TIANRUI HEAVY INDUSTRY CO., LTD. Registration number: 2018370010067 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Anti-sticking down-hole hammer Effective date of registration: 20190703 Granted publication date: 20150506 Pledgee: Weifang rural commercial bank, Limited by Share Ltd hi tech sub branch Pledgor: SHANDONG TIANRUI HEAVY INDUSTRY CO., LTD. Registration number: 2019370000153 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200720 Granted publication date: 20150506 Pledgee: Weifang rural commercial bank Limited by Share Ltd. hi tech sub branch Pledgor: SHANDONG TIANRUI HEAVY INDUSTRY Co.,Ltd. Registration number: 2019370000153 |